Mehrabadi, Jalil Fallah, et al. “Assessing the Role of the RND Efflux Pump in Metronidazole Resistance of Helicobacter Pylori by RT-PCR Assay”. The Journal of Infection in Developing Countries, vol. 5, no. 02, Oct. 2010, pp. 88-93, doi:10.3855/jidc.1187.